Video Capture: extract storage info from pixel format in VideoCaptureFormat.

content/browser/renderer_host/media/video_capture_device_client.h

Index: content/browser/renderer_host/media/video_capture_device_client.h
diff --git a/content/browser/renderer_host/media/video_capture_device_client.h b/content/browser/renderer_host/media/video_capture_device_client.h
index afb695487133751f82a0019fc02937a629812b68..a4edb118122f42093fc2d3f38164432e57305c1a 100644
--- a/content/browser/renderer_host/media/video_capture_device_client.h
+++ b/content/browser/renderer_host/media/video_capture_device_client.h
@@ -53,8 +53,8 @@ class CONTENT_EXPORT VideoCaptureDeviceClient
                                  const media::VideoCaptureFormat& frame_format,
                                  int clockwise_rotation,
                                  const base::TimeTicks& timestamp) override;
-  scoped_ptr<Buffer> ReserveOutputBuffer(media::VideoPixelFormat format,
-                                         const gfx::Size& dimensions) override;
+  scoped_ptr<Buffer> ReserveOutputBuffer(
+      const media::VideoCaptureFormat& frame_format) override;
   void OnIncomingCapturedBuffer(scoped_ptr<Buffer> buffer,
                                 const media::VideoCaptureFormat& frame_format,
                                 const base::TimeTicks& timestamp) override;